272 Records of the Indian Museum. [Vol. IX, 



A''.^. — The pubescence is considerably matted in this specimen 

 through it having been immersed in spirit, and though the colours 

 may not have altered, they are probably brighter in fresh specimens 

 and the black parts of the surface more shining. 



Eristalis tenax, L. 

 A 9 from Senchal, 8000 ft., v-1913. 



Eristalis orientalis, W. 

 Three cf cf from Singla. 



iV.5. — Two other species, a c^ of each, are present, which 

 cannot be identified with certainty. 



Megaspis crassus, F. 



One 2 , Darjihng, 1000-3000 ft 



Megaspis zonalis, F, 



Two 9 $ , Darjihng, 1000-3000 ft. 



Axona cyanea, mihi, sp. iiov.' (PI. xiv, fig. 3). 

 o» Darjiling District. Long. 11 mm. 



Head set closely on the thorax. Eyes touching for a consider- 

 able space, chocolate-brown, upper facets distinctly larger than 

 lower ones. Vertical triangle small, black, with a little black pubes- 

 cence ; ocelli red. Frons rather prominent, brilliantly shining 

 violet, with soft black hairs. Face brilliantly shining violet, dis- 

 tinctly prominent, cut away below antennae and produced over 

 mouth opening, provided on each side of the latter with a small 

 blunt point. Mouth parts concealed, blackish. Antennae blackish- 

 brown, 1st and 2nd joints short, normal, with a few short bristles, 

 3rd rounded, dull, with basal brownish-yellow bare arista (the 

 latter under high microscopic power being seen to bear a few pale 

 hairs towards the base). Occiput black, hind border of eyes 

 narrowly margined with grey tomentum. 



Thorax, scutellum and abdomen shining violet-blue, all 

 covered with short stiff black hairs. Belly dark with black pubes- 

 cence. 



Legs black with violet-blue tinge ; hind femora rather flat- 

 tened and considerably deepened until just before the tip ; no 

 bristles or spines are obvious. Hind tibiae barely curved and with 

 a slight peculiar thickening in the middle. All the legs with short 

 soft black pubescence, tarsi with a little golden brown pubescence 

 on underside ; claws and pulvilli well developed. 



Wings clear, rather pointed, marginal cell almost closed on the 

 border ; anterior cross vein immediately beyond the exact middle 

 of the discal cell, slightly sloping; 6th longitudinal (anal) vein 



1 See addendum, p. 277. 



